允许跨域访问Cors

WebApi 项目Program.cs 配置

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//允许跨域访问 builder.Services.AddCors(options => {   options.AddPolicy("AllowAllOrigins", builder =>   {     builder.AllowAnyHeader();     builder.AllowAnyMethod();     builder.AllowAnyOrigin();   }); });

　　

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1 2	var app = builder.Build(); app.UseCors("AllowAllOrigins");//允许跨域访问